/*
 * Copyright 2017-present Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#pragma once

#include <experimental/coroutine>
#include <future>

namespace folly {
namespace coro {

template <typename T>
class AwaitableReady {
 public:
  explicit AwaitableReady(T value) : value_(std::move(value)) {}

  bool await_ready() {
    return true;
  }

  bool await_suspend(std::experimental::coroutine_handle<>) {
    return false;
  }

  T await_resume() {
    return std::move(value_);
  }

 private:
  T value_;
};

struct getCurrentExecutor {};

struct yield {
  bool await_ready() {
    return false;
  }

  void await_suspend(std::experimental::coroutine_handle<> ch) {
    ch();
  }

  void await_resume() {}
};

} // namespace coro
} // namespace folly
